Opinions from J. B. Delair 1960
- 'Altispinax dunkeri belongs to Altispinax'
- 'Brachiosauridae belongs to Sauropoda'
- 'Carnosauria belongs to Theropoda'
- 'Cetiosauridae belongs to Sauropoda'
- 'Cetiosaurus belongs to Cetiosauridae'
- 'Cetiosaurus humerocristatus is recombined as Ornithopsis humerocristatus'
- 'Chondrosteosaurus is a subjective synonym of Ornithopsis'
- 'Cimoliasauridae [misspelled as Cimoliosauridae] belongs to Plesiosauroidea'
- 'Cimoliasaurus is corrected as Cimoliosaurus and belongs to Cimoliosauridae'
- 'Cimoliosaurus richardsoni is recombined as Cryptocleidus richardsoni'
- 'Coelurosauria was reranked as a infraorder and belongs to Theropoda'
- 'Colymbosaurus belongs to Cimoliosauridae'
- 'Cryptodraco belongs to Iguanodontidae'
- 'Cryptosaurus is a subjective synonym of Cryptodraco'
- 'Cryptosaurus eumerus is recombined as Cryptodraco eumerus'
- 'Dacentrurus belongs to Stegosauria'
- 'Dinosaurus is a subjective synonym of Zanclodon'
- 'Echinodon belongs to Stegosauria'
- 'Echinodon becklesii [misspelled as Echinodon becklesi] belongs to Echinodon'
- 'Elasmosauridae belongs to Plesiosauroidea'
- 'Eretmosaurus belongs to Plesiosauridae'
- 'Eucamerotus is a subjective synonym of Ornithopsis'
- 'Eurycleidus belongs to Plesiosauridae'
- 'Gresslyosaurus is a subjective synonym of Zanclodon'
- 'Iguanodon belongs to Iguanodontidae'
- 'Iguanodon dawsoni belongs to Iguanodon'
- 'Iguanodon hoggii [misspelled as Iguanodon hoggi] belongs to Iguanodon'
- 'Iguanodon mantelli belongs to Iguanodon'
- 'Iguanodontidae belongs to Ornithopoda'
- 'Ischyrodon meriani belongs to Ischyrodon' according to Meyer 1838
- 'Ischyrodon meriani is a subjective synonym of Pliosaurus macromerus'
- 'Ischyrosaurus is a subjective synonym of Ornithopsis'
- 'Ischyrosaurus manseli is recombined as Ornithopsis manseli'
- 'Liopleurodon ferox is recombined as Pliosaurus ferox'
- 'Megalosauri is corrected as Megalosauridae and belongs to Carnosauria'
- 'Megalosaurus belongs to Megalosauridae'
- 'Megalosaurus bucklandii [misspelled as Megalosaurus bucklandi] belongs to Megalosaurus'
- 'Megalosaurus nethercombensis belongs to Megalosaurus'
- 'Megalosaurus parkeri belongs to Megalosaurus'
- 'Muraenosaurus belongs to Cimoliosauridae'
- 'Muraenosaurus (Cryptoclidus) was reranked as Cryptocleidus and belongs to Cimoliosauridae'
- 'Muraenosaurus brevior belongs to Muraenosaurus' according to Lydekker 1889
- 'Muraenosaurus brevior is recombined as Cimoliosaurus brevior'
- 'Nuthetes belongs to Megalosauridae'
- 'Nuthetes destructor belongs to Nuthetes'
- 'Omosaurus is a subjective synonym of Dacentrurus'
- 'Omosaurus armatus is recombined as Dacentrurus armatus'
- 'Ornithopoda belongs to Ornithischia'
- 'Ornithopsis belongs to Brachiosauridae'
- 'Ornithopsis leedsi belongs to Ornithopsis'
- 'Pleiosaurus macromerus is recombined as Pliosaurus macromerus'
- 'Plesiosauria was reranked as a suborder and belongs to Sauropterygia'
- 'Plesiosauridae belongs to Plesiosauroidea'
- 'Plesiosauroidea belongs to Plesiosauria'
- 'Plesiosaurus belongs to Plesiosauridae'
- 'Plesiosaurus (Pleiosaurus) was reranked as Pliosaurus and belongs to Pliosauridae'
- 'Plesiosaurus (Pleiosaurus) brachydeirus is recombined as Pliosaurus brachydeirus'
- 'Plesiosaurus affinis is a subjective synonym of Colymbosaurus trochanterius'
- 'Plesiosaurus biangulatus belongs to Plesiosaurus' according to Cope 1870
- 'Plesiosaurus biangulatus is a subjective synonym of Colymbosaurus portlandicus'
- 'Plesiosaurus brachistospondylus is recombined as Colymbosaurus brachistospondylus'
- 'Plesiosaurus brachycephalus is a subjective synonym of Plesiosaurus macrocephalus'
- 'Plesiosaurus brachyspondylus is recombined as Pliosaurus brachyspondylus'
- 'Plesiosaurus carinatus is a subjective synonym of Colymbosaurus portlandicus'
- 'Plesiosaurus cliduchus is a subjective synonym of Plesiosaurus dolichodeirus'
- 'Plesiosaurus conybeari belongs to Plesiosaurus'
- 'Plesiosaurus costatus belongs to Plesiosaurus'
- 'Plesiosaurus doedicomus is a subjective synonym of Muraenosaurus truncatus'
- 'Plesiosaurus dolichodeirus belongs to Plesiosaurus'
- 'Plesiosaurus dubius is recombined as Eretmosaurus dubius'
- 'Plesiosaurus eleutheraxon belongs to Plesiosaurus'
- 'Plesiosaurus etheridgei is a subjective synonym of Plesiosaurus hawkinsi'
- 'Plesiosaurus eurymerus is recombined as Cryptocleidus eurymerus'
- 'Plesiosaurus giganteus is a subjective synonym of Pliosaurus brachydeirus'
- 'Plesiosaurus hawkinsii is corrected as Plesiosaurus hawkinsi and belongs to Plesiosaurus'
- 'Plesiosaurus hexagonalis is a subjective synonym of Muraenosaurus plicatus'
- 'Plesiosaurus hexatarsostinus is a subjective synonym of Plesiosaurus hawkinsi'
- 'Plesiosaurus homei belongs to Plesiosaurus' according to Gray 1860
- 'Plesiosaurus homei is a subjective synonym of Plesiosaurus dolichodeirus'
- 'Plesiosaurus infraplanus is a subjective synonym of Muraenosaurus plicatus'
- 'Plesiosaurus laticeps is a nomen nudum'
- 'Plesiosaurus macrocephalus belongs to Plesiosaurus'
- 'Plesiosaurus macromus belongs to Plesiosaurus'
- 'Plesiosaurus manselii is recombined as Colymbosaurus manseli'
- 'Plesiosaurus megacephalus is recombined as Eurycleidus megacephalus'
- 'Plesiosaurus megapleuron is recombined as Colymbosaurus megapleuron'
- 'Plesiosaurus pentatarsostinus is a subjective synonym of Plesiosaurus hawkinsi'
- 'Plesiosaurus planispondylus is a nomen nudum'
- 'Plesiosaurus platydeirus belongs to Plesiosaurus'
- 'Plesiosaurus platydeirus is a nomen nudum'
- 'Plesiosaurus plicatus belongs to Plesiosaurus' according to Mansel-Pleydell 1888
- 'Plesiosaurus plicatus is recombined as Muraenosaurus plicatus'
- 'Plesiosaurus plicatus is a subjective synonym of Cryptocleidus richardsoni'
- 'Plesiosaurus recentior is a subjective synonym of Pliosaurus brachydeirus'
- 'Plesiosaurus rostratus belongs to Plesiosaurus'
- 'Plesiosaurus rugosus is recombined as Eretmosaurus rugosus'
- 'Plesiosaurus subdepressus is a subjective synonym of Muraenosaurus truncatus'
- 'Plesiosaurus subtrigonus belongs to Plesiosaurus'
- 'Plesiosaurus triotarsostinus is a subjective synonym of Plesiosaurus hawkinsi'
- 'Plesiosaurus trochanterius is recombined as Colymbosaurus trochanterius'
- 'Plesiosaurus truncatus is recombined as Muraenosaurus truncatus'
- 'Plesiosaurus winspitensis is a subjective synonym of Colymbosaurus portlandicus'
- 'Pliosauridae belongs to Pliosauroidea'
- 'Pliosauroidea belongs to Plesiosauria'
- 'Pliosaurus portlandicus is recombined as Colymbosaurus portlandicus'
- 'Polycotylidae belongs to Pliosauroidea'
- 'Sauropoda was reranked as a suborder and belongs to Saurischia'
- 'Scelidosaurus belongs to Stegosauria'
- 'Scelidosaurus harrisonii is corrected as Scelidosaurus harrisoni and belongs to Scelidosaurus'
- 'Stegosauria belongs to Ornithischia'
- 'Stegosaurus belongs to Stegosauria'
- 'Teratosaurus is a subjective synonym of Zanclodon'
- 'Thaumatosaurus mosquensis belongs to Thaumatosaurus' according to Kiprijanoff 1883
- 'Thaumatosaurus mosquensis is a subjective synonym of Liopleurodon ferox'
- 'Theropoda was reranked as a suborder and belongs to Saurischia'
- 'Zanclodon belongs to Megalosaurinidae'